Compare brands with a structured diff: capabilities overlap, shared integrations,
AI visibility delta, entity relationships, and a bottom-line summary.
Args:
slugs: List of 2–5 brand slugs to compare (e.g. ["cursor", "github-copilot"]).
Use search_brands to find slugs.
Returns:
Dict with brands, AI visibility comparison, capabilities diff (shared vs unique),
integration overlap, direct relationships, and a concise bottom_line summary.
Connector